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Cassano G, Gasparre G, Contino M, et al (2006). „The sigma-2 receptor agonist PB28 inhibits calcium release from the endoplasmic reticulum of SK-N-SH neuroblastoma cells”. Cell Calcium40 (1): 23–8. DOI:10.1016/j.ceca.2006.03.004. PMID16687172.
Laurini E, Zampieri D, Mamolo MG, Vio L, Zanette C, Florio C, Posocco P, Fermeglia M, Pricl S (May 2010). „A 3D-pharmacophore model for sigma2 receptors based on a series of substituted benzo[d]oxazol-2(3H)-one derivatives”. Bioorg. Med. Chem. Lett.20 (9): 2954–7. DOI:10.1016/j.bmcl.2010.03.009. PMID20347592.